package org.example.topic;

import com.rabbitmq.client.BuiltinExchangeType;
import com.rabbitmq.client.Channel;
import org.example.utils.RabbitMqUtils;

import java.util.HashMap;
import java.util.Map;

/**
 * @author zfj
 * @date 2022/4/24 -17:29
 */
public class EmitLogTopic {
	private static final String EXCHANGE_NAME = "topic_logs";

	public static void main(String[] args) throws Exception {
		Channel channel = RabbitMqUtils.getChannel();
		channel.exchangeDeclare(EXCHANGE_NAME, BuiltinExchangeType.TOPIC);
		/**
		 * Q1-->绑定的是
		 * 中间带 orange 带 3 个单词的字符串(*.orange.*)
		 * Q2-->绑定的是
		 * 最后一个单词是 rabbit 的 3 个单词(*.*.rabbit)
		 * 第一个单词是 lazy 的多个单词(lazy.#)
		 *
		 */
		Map<String, String> bindingKeyMap = new HashMap<>();
		bindingKeyMap.put("quick.orange.rabbit","被队列 Q1Q2 接收到");
		bindingKeyMap.put("lazy.orange.elephant","被队列 Q1Q2 接收到");
		bindingKeyMap.put("quick.orange.fox","被队列 Q1 接收到");
		bindingKeyMap.put("lazy.brown.fox","被队列 Q2 接收到");
		bindingKeyMap.put("lazy.pink.rabbit","虽然满足两个绑定但只被队列 Q2 接收一次");
		bindingKeyMap.put("quick.brown.fox","不匹配任何绑定不会被任何队列接收到会被丢弃");
		bindingKeyMap.put("quick.orange.male.rabbit","是四个单词不匹配任何绑定会被丢弃");
		bindingKeyMap.put("lazy.orange.male.rabbit","是四个单词但匹配 Q2");
		for (Map.Entry<String, String> entry : bindingKeyMap.entrySet()) {
			String routingKey = entry.getKey();
			String message = entry.getValue();
			channel.basicPublish(EXCHANGE_NAME,routingKey,null,message.getBytes("UTF-8"));
			System.out.println("生产者发出消息" + message);
		}


	}
}
